A particular movie theater charges $\displaystyle \${9.00}$ per adult and $\displaystyle \${3.5}{0}$ per child. Suppose $\displaystyle {400}$ people attended a movie and the total revenue from ticket sales was $\displaystyle \${3050}$.

Write linear equations for the two constraints, where $\displaystyle {x}$ represents the number of adults attending the movie and $\displaystyle {y}$ represents the number of children attending the movie.

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